2499698 has 4 divisors (see below), whose sum is σ = 3749550. Its totient is φ = 1249848.

The previous prime is 2499689. The next prime is 2499727. The reversal of 2499698 is 8969942.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8969942 = 2 ⋅4484971.

It can be written as a sum of positive squares in only one way, i.e., 2486929 + 12769 = 1577^2 + 113^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 624923 + ... + 624926.

2^2499698 is an apocalyptic number.

2499698 is a deficient number, since it is larger than the sum of its proper divisors (1249852).

2499698 is a wasteful number, since it uses less digits than its factorization.

2499698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1249851.

The product of its digits is 279936, while the sum is 47.

The square root of 2499698 is about 1581.0433264146. The cubic root of 2499698 is about 135.7154155822.

The spelling of 2499698 in words is "two million, four hundred ninety-nine thousand, six hundred ninety-eight".